CN106087596A - Base material and manufacture method thereof for wallboard tape - Google Patents

Base material and manufacture method thereof for wallboard tape Download PDF

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Publication number
CN106087596A
CN106087596A CN201610402945.5A CN201610402945A CN106087596A CN 106087596 A CN106087596 A CN 106087596A CN 201610402945 A CN201610402945 A CN 201610402945A CN 106087596 A CN106087596 A CN 106087596A
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CN
China
Prior art keywords
layer
base material
paper base
inch
milli
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610402945.5A
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Chinese (zh)
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CN106087596B (en
Inventor
丹尼斯·W·安德松
詹姆斯·E·西利
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Nevamar Corp
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Nevamar Corp
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Publication of CN106087596A publication Critical patent/CN106087596A/en
Application granted granted Critical
Publication of CN106087596B publication Critical patent/CN106087596B/en
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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/32—Multi-ply with materials applied between the sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/04—Physical treatment, e.g. heating, irradiating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E04F13/042—Joint tapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18—Paper- or board-based structures for surface covering
    • D21H27/20—Flexible structures being applied by the user, e.g. wallpaper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24983—Hardness

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)

Abstract

Providing a kind of multi-ply paper base material, described paper base material includes being bonded at least two layer each other by binding agent；80gsm's to 200gsm is quantitative；Use TAPPI method 541 record 10 milli feet pound/square inch to 180 milli feet pound/square inch internal bond strength；Use 20 ft lbfs/inch in width of recording of TAPPI method 494 to the MD tensile strength of 300 ft lbfs/inch in width；CD tensile strength with the 10 ft lbfs/inch in width using TAPPI method 494 to record to 300 ft lbfs/inch in width.Additionally provide the method manufacturing and using described paper base material, the product prepared by described paper base material, and provide the purposes of described paper base material.

Description

Base material and manufacture method thereof for wallboard tape
The application is application artificial " International Paper Company ", filing date on 07 19th, 2012, Application No. " 201280035559.7 ", the Chinese invention patent Shen of invention entitled " for base material and the manufacture method thereof of wallboard tape " Divisional application please.
Invention field
The present invention relates to the base material for wallboard tape, its product prepared and production and preparation method thereof.
Accompanying drawing explanation
In conjunction with accompanying drawing, various embodiments are described, unless otherwise stated, this is not intended to be limiting.
Fig. 1 shows the sectional view of the routine single layer base material for wallboard tape.
Fig. 2 shows the sectional view of an example of multi-ply paper base material.
Fig. 3 shows the sectional view of another example of multi-ply paper base material.In the embodiment shown, reference 1 To 5 corresponding to descriptive item 1 to 5.
Fig. 4 shows the sectional view of an example of multi-ply paper base material.In the embodiment shown, reference 1 to 4 Corresponding to descriptive item 1 to 4.
Fig. 5 shows the sectional view of an example of multi-ply paper base material, and wherein, for clarity sake, the layer that will abut against is separately.
Fig. 6 shows the schematic diagram of an embodiment of air lay paper machine.
Fig. 7 shows the schematic diagram of an embodiment of air lay head box (headbox) details.
Detailed description of the invention
One embodiment of the theme being claimed herein provide be suitable for wallboard tape of future generation product and Its manufacture method.One advantage of the theme being claimed herein is that the internal intensity of wallboard tape is (such as, in z direction On) it is (such as, at machine direction (machine direction, MD) and the direction (cross-across machine from in-plane strength Machine direction)) decoupling (decouple).The another advantage of the theme being claimed herein is that product has Tensile strength in low but controlled internal intensity and high face.The another advantage of the theme being claimed herein is, surface Side can be customized to can be able to produce in the case of carrying out little sand milling or not carrying out sand milling the fine hair of strength (nap), thus save the energy, improve the sand paper life-span and formed can adhesive surface, this is not previously possible.Another advantage Being wallboard tape and the multi-ply paper base material realizing having layer that is unique and that optimize, this is that multi-ply paper base material and wallboard connect so far The manufacturer of seamed belt fail realize.
One embodiment of the theme being claimed herein provides a kind of multi-ply paper base material, and described paper base material includes:
It is bonded at least two layer each other by binding agent；
80gsm's (gram/m) to 200gsm is quantitative；
Use 10 millis foot-pound/square inch (milli-ft.-lb/sq.in.) that TAPPI method 541 records to 180 millis The internal bond strength (internal bond) of foot-pound/square inch；
Use 20 ft lbfs/inch in width (lb that TAPPI method 494 recordsf/ inch width) to 300 ft lbfs/inch in width MD tensile strength；With
Use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the CD tensile strength of 300 ft lbfs/inch in width.
" layer " or " multilamellar " refers to a layer in base material or more than one layer as the term is employed herein.Described layer can lead to Cross binding agent (adhesive), binding agent (binder) or other layers to be bonded on one or both sides.One given layer Identical or essentially the same composition can be had on its whole thickness (that is, the distance between side and opposite side), or Person its can have along thickness change composition gradient.
" side " or " multiple side " refers to any base material, layer, binding agent (such as " bonding as the term is employed herein Agent region ") or wide one or more surfaces of wallboard tape or one or more interface, and described surface or interface are not It is same as one " edge " or multiple " edge ".Such as, it is applied in wallboard (wallboard when wallboard tape Joint), time, the side of described seam connecting belt i.e. " wall side " contacts with wallboard, and the opposite side of seam connecting belt i.e. " working side " can keep Expose, until contacting with wallboard agent (being also sometimes referred to as dry wall " mud ").Need to through such adhesive tape wallboard or In the case of seam connecting belt is repaired, described seam connecting belt can be peeled away by setter, the most described seam connecting belt delamination occurs and shape Becoming two new sides, the surface of the new exposure of the part being retained on wall of one of them described seam connecting belt can be One new working side.The part got off that is stripped of described seam connecting belt can abandon or reuse if appropriate.
Described multi-ply paper base material includes being bonded at least two layer each other by binding agent.Profile at multi-ply paper base material In, described binding agent such as can be revealed as different regions by dyeing and microscopy, in composition or other character On can be different from two adjacent layers, or can be undistinguishable in the cross section of adjacent layer, such as, described viscous The layer that two are adjacent is not only bonded to each other by mixture, but also penetrates in each layer, and as binding agent, it is provided that one Individual or all parts of two layers or a part inside bonds.In one embodiment, each layer can have identical Or different composition, thickness and/or character.In one embodiment, described layer prepares with air lay papermaking process.One In individual embodiment, two adjacent layers permeate in binding agent adhesion area each other.In another embodiment, two Individual adjacent layer permeates in binding agent adhesion area the most each other.In another embodiment, two adjacent Layer does not the most interpenetrate, but makes to be separated from each other by binding agent adhesion area therebetween.In one embodiment, institute State adhesive area and be not qualified as an independent layer.
Described multi-ply paper base material has the quantitative of 80gsm to 200gsm.This scope includes the most all of value and subrange, Including 80,90,100,110,120,130,140,150,160,170,180,190 and 200gsm.In one embodiment, one Individual layer or multiple layers quantitatively can be less than 80gsm, as long as described multi-ply paper base material have 80gsm to 200gsm the most i.e. Can.Quantitative and measurement is known for those those of ordinary skill of field of papermaking.
Described multi-ply paper base material has the 10 milli foot-pound/square inches using TAPPI method 541 to record to 180 milli English Chi-pound/square inch internal bond strength (CD or MD).This scope includes the most all of value and subrange, including 10,20, 30,40,50,60,70,80,90,100,110,120,130,140,150,160,170 and 180 milli foot-pound/square feet. Measurement is to carry out according to known TAPPI method 541, is expressly incorporated herein by reference mode at this.In one embodiment, described A layer or multiple layer in multi-ply paper base material can have 10 milli foot-pound/square inches to 180 milli foot-pound/square English Very little internal bond strength.In another embodiment, the binding agent bonded together by two layers can be described multilamellar paper substrate Material produces the internal bond strength of 10 milli foot-pound/square inches to 180 milli foot-pound/square inches.Another embodiment party In formula, the combination of one or more layers and binding agent can be that described multi-ply paper base material produces 10 milli foot-pound/square inches extremely The internal bond strength of 180 milli foot-pound/square inches.In one embodiment, a layer or multiple layer, two layers are glued The binding agent being combined or the internal bond strength of combinations thereof can be more than 180 milli foot-pound/square inches, if described Multi-ply paper base material has the 10 milli foot-pound/square inches internal bond strength to 180 milli foot-pound/square inches.
It is wide to 300 ft lbfs/inch that described multi-ply paper base material has the 20 ft lbfs/inch in width using TAPPI method 494 to record The MD tensile strength of degree.This scope includes the most all of value and subrange, including 20,30,40,50,60,70,80,90, 100、110、120、130、140、150、160、170、180、190、200、210、220、230、240、250、260、270、280、 290 and 300 ft lbfs/inch in width.Measurement is carried out according to known TAPPI method 494, is incorporated to this at this by reference mode Literary composition.In one embodiment, a layer in described multi-ply paper base material or multiple layer can have 20 ft lbfs/inch in width extremely The MD tensile strength of 300 ft lbfs/inch in width.In one embodiment, the MD tensile strength of a layer or multiple layers is permissible It is 0 to 300 ft lbf/inch in width, as long as described multi-ply paper base material has 20 ft lbfs/inch in width to 300 ft lbfs/inch in width MD tensile strength.
It is wide to 300 ft lbfs/inch that described multi-ply paper base material has the 10 ft lbfs/inch in width using TAPPI method 494 to record The CD tensile strength of degree.This scope includes the most all of value and subrange, including 10,20,30,40,50,60,70,80,90, 100、110、120、130、140、150、160、170、180、190、200、210、220、230、240、250、260、270、280、 290 and 300 ft lbfs/inch in width.Measurement is carried out according to known TAPPI method 494, is incorporated to this at this by reference mode Literary composition.In one embodiment, a layer in described multi-ply paper base material or multiple layer can have 10 ft lbfs/inch in width extremely The CD tensile strength of 300 ft lbfs/inch in width.In one embodiment, the CD tensile strength of a layer or multiple layers is permissible It is 0 to 300 ft lbf/inch in width, as long as described multi-ply paper base material has 10 ft lbfs/inch in width to 300 ft lbfs/inch in width CD tensile strength.
In one embodiment, one or more layers of described multi-ply paper base material have:
Use 20 ft lbfs/inch in width of recording of TAPPI method 494 to the MD tensile strength of 300 ft lbfs/inch in width；With
Use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the CD tensile strength of 300 ft lbfs/inch in width.
In one embodiment, CD tensile strength and the MD tensile strength of described multi-ply paper base material is equal to each other.One In individual embodiment, CD tensile strength and the MD tensile strength of one layer are equal to each other.When MD tensile strength and CD anti-tensile are strong When degree is to be equal to each other, there is no particular limitation for described scope.In one embodiment, MD tensile strength and CD tensile strength Equal and can be that 20 ft lbfs/inch in width is to 300 ft lbfs/inch in width.This scope includes the most all of value and sub-model Enclose, including according to use TAPPI method 494 record 20,30,40,50,60,70,80,90,100,110,120,130,140, 150,160,170,180,190,200,210,220,230,240,250,260,270,280,290 and 300 ft lbfs/inch wide Degree.
Although having no particular limits, but in one embodiment, single layer can have employing TAPPI method 541 Record 10 milli foot-pound/square inches to 180 milli foot-pound/square inches internal bond strength.This scope includes therebetween All of value and subrange, including 10,20,30,40,50,60,70,80,90,100,110,120,130,140,150,160, 170 and 180 milli foot-pound/square inches.
Although having no particular limits, but in one embodiment, it is viscous that two layers that will abut against are bonded together Mixture can be to be following form: adhesive phase between two layers or adhesive area, in the interface of two layers, penetrate into One or two layer or combinations thereof.In another embodiment, described binding agent can have employing TAPPI method 541 Record 10 milli foot-pound/square inches to 180 milli foot-pound/square inches internal bond strength.This scope includes therebetween All of value and subrange, including 10,20,30,40,50,60,70,80,90,100,110,120,130,140,150,160, 170 and 180 milli foot-pound/square inches.
Therefore, as long as being bonded together by two or more layers, described binding agent is not particularly limited.It can wrap Include starch, starch through steaming and decocting, binder starch, fiber, bicomponent fibre, cellulose fibre, synthetic fibers, binding agent or Their combination in any.
Although having no particular limits, but described binding agent can with the amount of 0.05gsm to 10gsm be present in one or The multiple adhesive area of person.This scope includes the most all of value and subrange, including 0.05,0.06,0.07,0.08,0.09, 0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9 and 10gsm.
In one embodiment, wherein said binding agent includes that bicomponent fibre and a layer or multiple layer include fibre Cellulose fiber, the amount for the binding agent of ply adhesion can be 0.5gsm to 10gsm binding agent, and this scope includes owning therebetween Value and subrange, including 0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9 and 10gsm.Another embodiment party In formula, wherein said binding agent includes that bicomponent fibre and one layer or multilamellar include cellulose fibre, bonds in layer The amount of binding agent be calculated as 2 weight % to 100 weight % by the weight of finished layer, this scope includes the most all of value and sub-model The scope enclosed, including being calculated as 2 with the weight of finished layer, 3,4,5,6,7,8,9,10,15,20,25,30,35,40,45,50,60, 70,80,90,95,99 and 100 weight %.
In another embodiment, described binding agent, a layer or multiple adjacent layer or described binding agent and Individual layer or multiple adjacent synusia can have the 10 milli foot-pound/square inches using TAPPI method 541 to record to 180 milli English Chi-pound/square inch one or more internal bond strengths.This scope includes the most all of value and subrange, including 10, 20,30,40,50,60,70,80,90,100,110,120,130,140,150,160,170 and 180 milli foot-pound/square English Very little.
Although having no particular limits, but in one embodiment, single layer can have employing TAPPI method 541 Record 10 milli foot-pound/square inches to 180 milli foot-pound/square inches internal bond strength.This scope includes therebetween All of value and subrange, including 10,20,30,40,50,60,70,80,90,100,110,120,130,140,150,160, 170 and 180 milli foot-pound/square inches.
Although having no particular limits, but in one embodiment, one or more layers can have employing TAPPI One or more internal bond strengths more than 180 milli foot-pound/square inches that method 541 records.At another embodiment In, all layers in described multi-ply paper base material rather than layer can have use that TAPPI method 541 records more than 180 millis The multiple internal bond strength of foot-pound/square inch.These scopes include all values and subrange therebetween, for example with TAPPI Method 541 record more than 180,181,183,185,187,189,190,200,210,220,250 milli foot-pound/square inches Or it is higher.
Although having no particular limits, but in one embodiment, binding agent two-layer being bonded to each other can have There are one or more internal bond strengths more than 180 milli foot-pound/square inches using TAPPI method 541 to record.Separately In one embodiment, the one, more than one or all of binding agent that are bonded together by each layer can have employing One or more internal bond strengths more than 180 milli foot-pound/square inches that TAPPI method 541 records.These scope bags Include all values and subrange therebetween, for example with TAPPI method 541 record more than 180,181,183,185,187,189,190, 200,210,220,250 milli foot-pound/square inches or higher.
Although having no particular limits, but in one embodiment, described binding agent, single layer or both are permissible There is one or more internal bond strength more than 180 milli foot-pound/square inches using TAPPI method 541 to record.
Although having no particular limits, but in one embodiment, one or more side of described paper base material Can have the taber abrasion resistance of the 50mg to 200mg using Tappi method 476om-06 improved to record.This scope includes therebetween All of value and subrange, including 50,60,70,80,90,100,110,120,130,140,150,160,170,180,190 and 200mg.Described Tappi method is improved as follows: the load-carrying (deadweight) of 1.0kg on each arm；From from Taibo industry The CS-10P emery wheel of (Taber Industries), 100 turns；" mg " is that mg weight loses/100 turns.Taber abrasion resistance and Realization and measuring method on paper base material surface are known.Such as, in one embodiment, can be according to known method The one or both sides of described paper base material are carried out sand milling or abrasion with the most required taber abrasion resistance (Taber abrasion).In another embodiment, described paper base material can include layer, or by two-layer bonding binding agent together, Or combinations thereof, after leafing, produce the side of a new exposure with desired taber abrasion resistance.
In one embodiment, it is contemplated that be conducive to producing and the best joint (layup) bonding (paper of fine hair The good adhesive property of the binding agent in the surface abutment joint agent (joint compound) of base material), long fibre is (relative to short fibre Dimension) can use in one or two outer layer.Long fibre provides more and is used for and the bonding in dry wall mud or joint mixture The surface area of agent contact.In one embodiment, fiber does not has overrefining (refine), can lead because improving refined level Cause the bonding between more fiber.More bondings may produce difficulty (the hardest real surface region) phase with bigger fine hair Association.In one embodiment, wet pressing can be minimized or be completely eliminated, and this will consolidate wet structure, and cause more Gao Shui Flat hydrogen bonding (i.e. increasing surface strength).In one embodiment, the use of wet strength additives is minimized.At one In embodiment, surface applies the use of strength additive or binding agent (such as starch) and is minimized.
In one embodiment, the new side exposed produced when peeling away described base material is suitable as working side.
Although having no particular limits, but in one embodiment, described paper base material can have taber abrasion resistance Wall side for 50mg to 200mg.In another embodiment, described paper base material can have taber abrasion resistance be 50mg extremely The working side of 200mg.In another embodiment, described paper base material can have respective taber abrasion resistance be 50mg extremely The working side of 200mg and wall side.Wall side and working side can have identical or different taber abrasion resistance.These scopes include it Between all of value and subrange, including 50,60,70,80,90,100,110,120,130,140,150,160,170,180,190 And 200mg.In one embodiment, working side and/or wall side can include that additive is to strengthen the fine hair in sand grinding process Produce.Such as, in order to make fine hair the most fluffy longer after sand milling, these layers can be added a wax to.Implement at another In mode, working side and/or wall side can include the component rich in binding agent, and this can allow to remove from wallboard agent to hold high Expensive binding agent.
Although having no particular limits, but in one embodiment, described paper base material is soaked in distilled water at 23 DEG C In can have the 5 ft lbfs/inch in width wet tensile (strength) to 60 ft lbfs/inch in width after 60 seconds.This scope includes institute therebetween Some values and subrange, to be included in 23 DEG C and be soaked in distilled water be 5 after 60 seconds, 10,15,20,25,30,35,40,45,50, 55 and 60 ft lbfs/inch in width.Wet tensile (strength) after immersion suitably can be measured by improved TAPPI method 456. Measure and improve as follows: if the tensile strength of described paper base material is determined at its fully saturated pre-test, acquired results For " soaking in water ... the tensile strength after (time) ".Such result by be different from according to TAPPI method 456 define " wet Tensile strength ".For this paper purpose, term " soaks " and is interpreted submergence or floods.
Although having no particular limits, but in one embodiment, described paper base material can have 0.005 inch extremely The thickness of 0.011 inch.This scope includes all values and subrange therebetween, including 0.005,0.006,0.007,0.008, 0.009,0.010 and 0.011 inch.In one embodiment, thickness can be in the web that will be obtained by air laid processes Obtain when forcing together, denude, heat or be dried or when their combination in any.
As long as described paper base material has at least two layer, the quantity of layer has no particular limits.In one embodiment, Described paper base material can have 2 to 11 or more layers.This scope includes the most all of value and subrange, including 2,3,4,5, 6,7,8,9,10,11 and more layer.In one embodiment, described paper base material tool haves three layers to 7 layers.Implement at another In mode, described paper base material tool haves three layers to 5 layers.In another embodiment, described paper base material has at most 3 layers.
Although having no particular limits, but in one embodiment, one layer or multilamellar can include cellulose fiber One or more in dimension, paper pulp fiber, synthetic fibers, regenerated fiber, protofibre or its combination in any.An embodiment party In formula, with the difference of protofibre, regenerated fiber is that they once used in paper product.In one embodiment, then Raw fiber can be cellulose fibre, synthetic fibers or their combination in any of regeneration.In one embodiment, term " cellulose fibre " includes cellulose fiber peacekeeping paper pulp fiber.The composition of one layer or multiple layers can be with another one or many The composition of individual layer is identical or different.
The limiting examples of synthetic fibers includes polyester, polyethylene terephthalate, poly terephthalic acid fourth two Alcohol ester, ethylene glycol terephthalate-butanediol ester copolymer, copolyether ester, polyolefin, polyethylene, polypropylene, polyethylene- Propylene copolymer, nylon, poly-acetate；Polyvinyl acetate；Artificial silk, polrvinyl chloride, any copolymer of aforementioned substances, front State any blend of material, the combination in any of aforementioned substances.In one embodiment, synthetic fibers can function properly as Whole or or a part of or binding agent of binding agent.
In one embodiment, synthetic fibers include so-called bicomponent fibre, and such as, wherein fiber includes that two kinds are gathered The bicomponent fibers of compound, there is the bicomponent fibers of the low melting glass of disposed outside towards fiber and have towards fibre The bicomponent fibers of the higher melt temperature that the inside of dimension is arranged.In one embodiment, described bicomponent fibre has poly- Propylene or polyethylene terephthalate core and polyethylene sheath portion.In one embodiment, synthetic fibers can be suitably All or part of or binding agent as binding agent.The example of the indefiniteness of bicomponent fibre or other fiber includes can To obtain from such as FiberVisions Corp. (Duluth, GA, USA) and Trevira GmbH (Bobingen, Germany) Those fibers.
In one embodiment, at least one layer in described multi-ply paper base material comprises cellulose fibre.At another In embodiment, at least one layer in described multi-ply paper base material includes cellulose fibre, wherein the most of fiber in this layer It it is cellulose.In one embodiment, described multi-ply paper base material comprises the combination of cellulose fiber peacekeeping synthetic fibers.
In one embodiment, gross weight meter based on described multi-ply paper base material, this multi-ply paper base material can containing 0 to The cellulose fibre of 100 weight %.This scope includes all values and subrange therebetween, including 0,1,5,10,15,20,25, 30,35,40,45,50,55,60,65,70,75,80,85,90,95,99 and 100 weight %.In one embodiment, institute State multi-ply paper base material and contain the cellulose fibre of 30 weight % to 99 weight %.
In one embodiment, a layer in described multi-ply paper base material or multiple layer are based on this layer or multiple layer Gross weight meter can be containing the cellulose fibre of 0 to 100 weight %.This scope includes all values and subrange therebetween, bag Include gross weight based on described layer be calculated as 0,1,5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80, 85,90,95,99 and 100 weight %.
Although having no particular limits, but cellulose fibre may be from any source.In one embodiment, described Cellulose fibre includes the most natural, cork, hardwood, straw, plant and straw pulp, cotton material etc or other cellulose Fiber, or combinations thereof.
In one embodiment, described multi-ply paper base material gross weight based on described base material meter can contain 0 to 100 weight The synthetic fibers of amount %.This scope includes all values and subrange therebetween, including 0,1,5,10,15,20,25,30,35,40, 45,50,55,60,65,70,75,80,85,90,95,99 and 100 weight %.
In one embodiment, a layer in described multi-ply paper base material or multiple layer are based on this layer or multiple The gross weight meter of layer can be containing the synthetic fibers of 0 to 100 weight %.This scope includes all values and subrange therebetween, bag Include gross weight based on this layer be calculated as 0,1,5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85, 90,95,99 and 100 weight %.
The random layer of described multi-ply paper base material or all layers can include the combination of cellulose fiber peacekeeping synthetic fibers.Example As, in one embodiment, synthetic fibers can serve as binding agent, binding agent or both.In one embodiment, fiber Cellulose fiber and synthetic fibers can relative to each other exist with arbitrary weight ratio.There is no particular limitation for this scope, and Can include, such as, 100:0,99:1,95:5,90:10,85:15,80:20,75:25,70:30,65:35,60:40,55: 45, the fibre of 50:50,45:55,40:60,35:65,30:70,25:75,20:80,15:85,10:90,5:95,1:99 and 0:100 Cellulose fiber and the weight ratio of synthetic fibers.
In one embodiment, a layer in described multi-ply paper base material or multiple layer can have the double of 99 weight % Component fibre, but described multi-ply paper base material has the cellulose fibre more than 30 weight % or paper pulp fiber.
In one embodiment, one or more layers can contain more than the synthetic fibers of 70 weight %, and permissible Spunbond or melt blown technology is used suitably to prepare.
Can with terminology used in this article " hardwood " include derived from deciduous tree (angiosperm) such as Betula, Oak Tree, The fiber pulp of the xyloid material of Fagus sinensis Oliv., maple and Eucalyptus or a combination thereof or fiber.Can be " soft with terminology used in this article Wood " include derived from coniferous tree (gymnosperm) the most various fir；PiceameyeriRehd. Et Wils.；And pinaster, such as torch pine, wetland Pine；Colorado PiceameyeriRehd. Et Wils.；The fiber pulp of the xyloid material of balsam fir and Pseudotsuga menziesii (Mirbel) Franco or fiber.In some embodiments, extremely Few a part of paper pulp fiber can be provided by the herbaceous plant of non-wood, described herbaceous plant include but not limited to mestha, Fructus Cannabis, Corchorus olitorius L., Caulis et Folium Lini, Folium Agaves Sisalanae or manila hemp, although legal restrictions and other profits considering to may be such that Fructus Cannabis and other fiber sources With becoming actual or infeasible.Bleaching or unbleached fluff pulp fibers all can use.Regenerated fiber is also It is suitable for use.
In one embodiment, the cellulose fibre in a layer or multiple layer is based on one layer or multiple The gross weight meter of the cellulose fibre in Ceng can comprise the cellulose fibre coming from hardwood of 1 weight % to 100 weight %. This scope includes all values and subrange therebetween, including based on the cellulose fibre in one layer or multiple layer total Weight is calculated as 1,5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,99 and 100 weights Amount %.
In one embodiment, the cellulose fibre in a layer or multiple layer is based on one layer or multiple The gross weight meter of the cellulose fibre in Ceng can comprise the cellulose fibre from cork of 1 weight % to 100 weight %.This Individual scope includes all values and subrange therebetween, including gross weight based on the cellulose fibre in one layer or multiple layer Amount is calculated as 1,5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,99 and 100 weights Amount %.
In one embodiment, the random layer in described multi-ply paper base material or all layers can have hardwood and cork Any weight ratio of fiber.There is no particular limitation for this scope, and can include such as, 100:0,99:1,95:5,90: 10、85:15、80:20、75:25、70:30、65:35、60:40、55:45、50:50、45:55、40:60、35:65、30:70、 The hardwood fiber of 25:75,20:80,15:85,10:90,5:95,1:99 and 0:100 and the weight ratio of cork fibrous.
In one embodiment, described multi-ply paper base material can include having the 10 milli English using TAPPI method 541 to record Chi-pound/square inch to the leafing layer of internal bond strength of 180 milli foot-pound/square inches.This scope includes owning therebetween Value and subrange, including 10,20,30,40,50,60,70,80,90,100,110,120,130,140,150,160,170 and 180 milli foot-pound/square inches.In one embodiment, leafing layer is to be perpendicular to or be basically perpendicular to described multilamellar Lost efficacy (fail) under the tension force that the side of paper base material applies thus caused described base material layer of leafing together with this layer.
In one embodiment, described leafing layer can have low-level (such as, less than 50 weight %) binding agent, Binding agent or combinations thereof.This scope includes the most all of value and subrange, including less than this layer 50,45,40,35, 30,25,20,15,10,9,8,7,6,5,4,3,2,1 and 0 weight %.
Described cellulose fibre can be unpurified or refined or fibrillation or combinations thereof.
The length of cellulose fibre has no particular limits.In one embodiment, cellulose fibre has and is surveyed by FQA The refined length of 0.5 to the 5.0mm LWAFL obtained.Term LWAFL and FQA is known.Length weighted average fiber length (Length Weighted Average Fiber Length, LWAFL) is by fiber quality analysis (Fiber Quality Analysis, FQA) record.In one embodiment, this is carried out on Optec equipment, as known.On State refined length and include the most all of value and subrange, including 0.5,0.55,0.6,0.65,0.7,0.75,0.8,0.85, 0.9,0.95,1,2,3,4 and 5.0mm, or their combination in any.In one embodiment, refined fiber is for be recorded by FQA 0.65 to 4.0mm LWAFL.
The length of synthetic fibers has no particular limits.In one embodiment, described synthetic fibers have and are surveyed by FQA The length of 0.5 to the 5.0mm LWAFL obtained.This scope includes the most all of value and subrange, including 0.5,0.55,0.6, 0.65,0.7,0.75,0.8,0.85,0.9,0.95,1,2,3,4 and 5.0mm, or their combination in any.An embodiment party In formula, described synthetic fibers are 0.65 to the 4.0mm LWAFL recorded by FQA.
In one embodiment, described leafing layer can comprise high level (such as 50 weight % or higher fiber) Hardwood fiber.This scope includes all values and subrange therebetween, including the fiber in this layer 50,55,60,65,70,75, 80,85,90,95,96,97,98,99 and 100 weight % and higher.
In one embodiment, described leafing layer can comprise low-level (such as, less than the fiber of 50 weight %) essence Fiber processed or fibrillating fibre.This scope includes the most all of value and subrange, including less than 50,45,40,35,30,25, 20, the fiber of 15,10,9,8,7,6,5,4,3,2,1 and 0 weight %.
In one embodiment, described leafing layer can include binding agent, binding agent, fiber, cellulose fibre, hardwood The combination in any of fiber, cork fibrous, refined fiber, fibrillating fibre or synthetic fibers.In another embodiment, leafing Can occur in adhesive area or between binding agent and adjoining course.In this case, binding agent internal bond strength or The 10 milli foot-pounds that may range from using TAPPI method 541 to record of the internal bond strength between person's binding agent and adjoining course/ Square inch is to 180 milli foot-pound/square inches, and it includes the most all of value and subrange, including 10,20,30, 40,50,60,70,80,90,100,110,120,130,140,150,160,170 and 180 milli foot-pound/square inch.
In one embodiment, described multi-ply paper base material can include one or more strength layer, and this strength layer is hanging down Directly in or be basically perpendicular under the tension force that the side of described multi-ply paper base material applies not leafing or lost efficacy such as, they More than causing leafing layer, delamination occurs or leafing or inefficacy under the tension force of inefficacy.In one embodiment, this is by tool Have and realize more than one or more internal bond strength of the internal bond strength of leafing layer layer or multiple layer.Cause This, in one embodiment, a layer of leafing or multiple layer can not have and use what TAPPI method 541 recorded to be more than The internal bond strength of 10 milli foot-pound/square inches to 180 milli foot-pound/square inches.This scope includes the most all of Value and subrange, including more than 10,20,30,40,50,60,70,80,90,100,110,120,130,140,150,160,170 With 180 milli foot-pound/square inches.In another embodiment, a layer of leafing or multiple layer can not have and adopt One or more internal bond strength more than 180 milli foot-pound/square inches recorded by TAPPI method 541.This scope Including all values therebetween and subrange, for example with TAPPI method 541 record more than 180,181,183,185,187,189, 190,200,210,220,250 milli foot-pound/square inches and higher.
In one embodiment, described strength layer can comprise binding agent, binding agent, fiber, cellulose fibre, hardwood The combination in any of fiber, cork fibrous, refined fiber, fibrillating fibre or synthetic fibers.
In one embodiment, one or more strength layer can have high level (such as, more than 50 weight %) Binding agent, binding agent or combinations thereof.This scope includes period all values and subrange, including more than this layer of weight 50,55,60,65,70,75,80,85,90,95,96,97,98,99 weight %.
In one embodiment, one or more strength layer can include high level (such as, 50 weight % or bigger Fibre weight) cork fibrous.This scope includes all values and subrange therebetween, including the fibre weight in this layer 50,55,60,65,70,75,80,85,90,95,96,97,98,99 and 100 weight %.
In another embodiment, one or more strength layer can comprise high level (such as, more than 50 weight % Fiber) refined fiber or fibrillating fibre.This scope includes the most all of value and subrange, including more than 50,55, 60, the fibre weight of 65,70,75,80,85,90,95,96,97,98,99 and 100 weight %.
In one embodiment, cellulose fibre includes the unpurified southern softwood of a length of 3.0mm to 5.0mm.
In one embodiment, cellulose fibre includes that the south that the severe of a length of 2.0mm to 4.0mm refines is soft Wood.
In one embodiment, cellulose fibre includes the unpurified northern softwood of a length of 3.0mm to 4.0mm.
In one embodiment, cellulose fibre includes that the north that the severe of a length of 1.0mm to 5.0mm refines is soft Wood.
In one embodiment, cellulose fibre includes the unpurified hardwood of a length of 0.7mm to 1.8mm.
In one embodiment, cellulose fibre includes the refined hardwood of a length of 0.5mm to 1.5mm.
In one embodiment, cellulose fibre includes the refined cork of a length of 1.0mm to 5.0mm.At one In embodiment, cellulose fibre includes the refined hardwood of a length of 0.5mm to 1.8mm.
In another embodiment, one or more strength layer can have the MD tensile strength higher than leafing layer, CD tensile strength, the combination in any of one or more or they soaked in wet tensile (strength).
In one embodiment, at least one layer comprises fiber, and at least most of in described fiber is hardwood fiber.
In one embodiment, at least one layer comprises fiber, and at least most of in described fiber is cork fibrous.
As long as the quantification of 80gsm to 200gsm of described multi-ply paper base material, each layer and adhesive area does not quantitatively have Particularly limit.Such as, in one embodiment, single layer can have the quantitative of 0.5gsm to 180gsm, and it includes it Between all of value and subrange, including 0.5,1,2,3,4,5,6,7,8,9,10,15,20,25,30,35,40,45,50,75, 85,95,100,120,140,160 and 180gsm.
In one embodiment, described paper base material can include 3 layers arranged in the following order:
There is the quantitative layer of 5gsm to 100gsm；
There is the quantitative layer of 5gsm to 65gsm；And
There is the quantitative layer of 5gsm to 100gsm.
In one embodiment, described paper base material can include four layers and the 4th layer can have 30gsm extremely 100gsm's is quantitative.
In one embodiment, described paper base material can include third layer and arrange in the following order:
There is the quantitative layer of 30gsm to 100gsm；
There is the quantitative layer of 5gsm to 65gsm；And
There is the quantitative layer of 30gsm to 100gsm.
In one embodiment, described paper base material can include 4 layers arranged in the following order:
There is the quantitative layer of 30gsm to 100gsm；
There is the quantitative layer of 5gsm to 65gsm；
There is the quantitative layer of 5gsm to 50gsm；And
There is the quantitative layer of 30gsm to 100gsm.
In one embodiment, described paper base material can be arranged in the following order:
There is the quantitative layer of 5gsm to 100gsm；
The binding agent of the amount of 0.05gsm to 10gsm；With
There is the quantitative layer of 5gsm to 100gsm.
In one embodiment, described paper base material can include that third layer, described third layer have 30gsm to 100gsm Quantitative.
In one embodiment, described paper base material can include 3 layers arranged in the following order:
There is the quantitative layer of 30gsm to 100gsm；
The binding agent of the amount of 0.05gsm to 10gsm；
There is the quantitative layer of 5gsm to 50gsm；And
There is the quantitative layer of 30gsm to 100gsm.
In one embodiment, described paper base material can include 3 layers arranged in the following order:
There is the MD tensile strength using 20 ft lbfs/inch in width of recording of TAPPI method 494 to 300 ft lbfs/inch in width And/or use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the layer of the CD tensile strength of 300 ft lbfs/inch in width；
There are the 10 milli foot-pound/square inches using TAPPI method 541 to record to 180 milli foot-pound/square inches The layer of internal bond strength；With
There is the MD tensile strength using 20 ft lbfs/inch in width of recording of TAPPI method 494 to 300 ft lbfs/inch in width And/or use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the layer of the CD tensile strength of 300 ft lbfs/inch in width.
In one embodiment, described paper base material can include 4 layers arranged in the following order:
There is the layer of the taber abrasion resistance of 50mg to 200mg；
There is the MD tensile strength using 20 ft lbfs/inch in width of recording of TAPPI method 494 to 300 ft lbfs/inch in width Layer with the 10 ft lbfs/inch in width using TAPPI method 494 to record to the CD tensile strength of 300 ft lbfs/inch in width；
There are the 10 milli foot-pound/square inches using TAPPI method 541 to record to 180 milli foot-pound/square inches The layer of internal bond strength；With
There is the layer of the taber abrasion resistance of 50mg to 200mg.
In one embodiment, described paper base material can include 5 layers arranged in the following order:
There is the layer of the taber abrasion resistance of 50mg to 200mg；
There is the MD tensile strength using 10 ft lbfs/inch in width of recording of TAPPI method 494 to 300 ft lbfs/inch in width And/or use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the layer of the CD tensile strength of 300 ft lbfs/inch in width；
There are the 10 milli foot-pound/square inches using TAPPI method 541 to record to 180 milli foot-pound/square inches The layer of internal bond strength；
There is the MD tensile strength using 10 ft lbfs/inch in width of recording of TAPPI method 494 to 300 ft lbfs/inch in width And/or use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the layer of the CD tensile strength of 300 ft lbfs/inch in width；With
There is the layer of the taber abrasion resistance of 50mg to 200mg.
In one embodiment, described paper base material can be arranged in the following order:
There is the MD tensile strength using 20 ft lbfs/inch in width of recording of TAPPI method 494 to 300 ft lbfs/inch in width And/or use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the layer of the CD tensile strength of 300 ft lbfs/inch in width；
Binding agent, described binding agent has the 10 milli foot-pound/square inches using TAPPI method 541 to record to 180 millis The internal bond strength of foot-pound/square inch；With
There is the MD tensile strength using 20 ft lbfs/inch in width of recording of TAPPI method 494 to 300 ft lbfs/inch in width And/or use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the layer of the CD tensile strength of 300 ft lbfs/inch in width.
In one embodiment, described paper base material can include 3 layers arranged in the following order:
There is the layer of the taber abrasion resistance of 50mg to 200mg；
There is the MD tensile strength using 20 ft lbfs/inch in width of recording of TAPPI method 494 to 300 ft lbfs/inch in width Layer with the 10 ft lbfs/inch in width using TAPPI method 494 to record to the CD tensile strength of 300 ft lbfs/inch in width；
Binding agent, described binding agent has the 10 milli foot-pound/square inches using TAPPI method 541 to record to 180 millis The internal bond strength of foot-pound/square inch；With
There is the layer of the taber abrasion resistance of 50mg to 200mg.
In one embodiment, described paper base material can include 4 layers arranged in the following order:
There is the layer of the taber abrasion resistance of 50mg to 200mg；
There is the MD tensile strength using 20 ft lbfs/inch in width of recording of TAPPI method 494 to 300 ft lbfs/inch in width And/or use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the layer of the CD tensile strength of 300 ft lbfs/inch in width；
Binding agent, described binding agent has the 10 milli foot-pound/square inches using TAPPI method 541 to record to 180 millis The internal bond strength of foot-pound/square inch；
There is the MD tensile strength using 20 ft lbfs/inch in width of recording of TAPPI method 494 to 300 ft lbfs/inch in width And/or use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the layer of the CD tensile strength of 300 ft lbfs/inch in width；With
There is the layer of the taber abrasion resistance of 50mg to 200mg.
In one embodiment, described paper base material can include 3 layers arranged in the following order:
There is the quantitative layer of 30gsm to 100gsm；
The binding agent of the amount of 0.05gsm to 10gsm；
There is the quantitative layer of 5gsm to 50gsm；With
There is the quantitative layer of 30gsm to 100gsm.
In one embodiment, described paper base material can include 4 layers arranged in the following order:
There is the quantitative layer of 30gsm to 100gsm；
There is the quantitative layer of 5gsm to 50gsm；
The binding agent of the amount of 0.05gsm to 10gsm；
There is the quantitative layer of 5gsm to 50gsm；With
There is the quantitative layer of 30gsm to 100gsm.
In one embodiment, described paper base material can include 5 layers arranged in the following order:
There is the quantitative layer of 30gsm to 100gsm；
There is the quantitative layer of 5gsm to 50gsm；
There is the quantitative layer of 5gsm to 65gsm；
There is the quantitative layer of 5gsm to 50gsm；With
There is the quantitative layer of 30gsm to 100gsm.
In one embodiment, the layer arranged in a specific sequence can be in the situation that there is or do not exist intermediate layer Under be bonded to each other by one or more binding agents.In one embodiment, will abut against the binding agent that layer is bonded together Can be same or different.In one embodiment, described binding agent includes binding agent, and binding agent penetrates into institute State the whole thickness of multi-ply paper base material or a part for thickness and each layer is bonded together.
Although having no particular limits, but described paper base material can have any width.In one embodiment, institute Stating paper base material and have the width of 15 inches to 100 inches when leaving the reel machine of paper machine, it includes all values and son therebetween Scope, including 15,25,50,75 and 100 inches.
Although having no particular limits, but described paper base material can be cut into any width.At an embodiment In, described paper base material can be cut into the width of 1.0 inches to 3.25 inches, and it includes all values and subrange therebetween, bag Include 1.0,1.5,1.75,2,2.5,2.75,3 and 3.25 inches.
Although having no particular limits, but described multi-ply paper base material is particularly suitable for use as wallboard tape.At one In embodiment, described multi-ply paper base material can be cut into the width being adapted for use as wallboard tape.Wallboard tape is permissible It is applied appropriately to such as seam, corner, opening, hole, depression, spiral shell on wallboard (sometimes referred to as " dry wall ") according to known methods The position of nail, nail or defect etc.But, in one embodiment, wherein setter wishes to remove connecing of so applying A part for seamed belt, this seam connecting belt can be perpendicular to or be basically perpendicular to the wall of described band or side by applying and Easily tear off (leafing).Wallboard tape will be along layer, adhesive area or genetic horizon between adhesive area and layer From.A part for band is maintained on wall, and in one embodiment, it represents a new working surface.Then, peace Dress person can apply to the new surface exposed more drywall joint agent, it is scraped whole, sand milling, the more band of applying glue, Paint vehicle or their combination in any, to realize repairing.
Therefore, in one embodiment, the method being used for installing or repairing wallboard includes: make panel surfaces and institute herein The paper base material stated or wallboard tape contact.In another embodiment, described method includes described paper base material or wallboard Seam connecting belt is peeled away, and wherein, delamination occurs for only one of which layer.In another embodiment, described method includes described base Material is peeled away, and wherein, delamination occurs for described binding agent.
Described multi-ply paper base material can be suitably by air laid processes manufacture.
In one embodiment, described multi-ply paper base material include one or more through sand milling or the lateral surface of abrasion, wear Hole, cut (scoring), fluting (slitting) or their combination in any.
One embodiment of the theme being claimed herein provides a kind of side for manufacturing described multi-ply paper base material Method, described method includes:
Use air lay paper machine, form at least two-layer, make one or two layer in described layer connect with binding agent Touch, and make described layer contacting one another to form two-layer web；With
Force together described two-layer web to prepare described paper base material.
Air laid processes is commonly known.The limiting examples of air laid processes can be in the following U.S. Patent finds: U.S. Patent number 2,624,079,3,825,381,3,895,089,4,141,772,4,370,289, the most often The full content of a patent is expressly incorporated herein by the way of reference at this.
In one embodiment, in random web-laying equipment, fiber is entrained in one or more air stream and is drawn Lead on mobile forming net, fabric or supporting part etc..Then, one or more fibrous layer is applied, and on forming net or fabric Formed with laminated form.The type of fiber and layer and composition can carry out suitable control according to known method.At each layer quilt Guide to forming net time, after layer is directed to forming net, web or combinations thereof, can be in any suitable manner One or more binding agents are applied to the one or both sides of layer or interlayer etc..In one embodiment, pressed from both sides at fiber Band in the air stream when, or they are before being entrained in the air stream, or their combination in any, can be viscous Mixture such as mixes with fiber as powder or other solid.In one embodiment, binding agent can comprise binding agent or Person is applied to web as the form of binding agent.
One embodiment of air lay paper machine is shown in Fig. 6.The fiber row obtained in Kamas grinding machine (hammer mill) Enter the one or more and deposition in head box layer 1 to 4 or air lay to the mobile network close to one or more suction boxs Or on fabric.If necessary, one or more binding agents can apply in binding agent exit, and the outlet of described binding agent can With for example, spray box, spray boom or powder dropper etc.The combination of these layers forms web, and this web is crushed on one in squeezer Rise.The web being pressed together can advance to drying section, and adds one or more additives alternatively.Can be dried Portion is further dried, and described multi-ply paper base material is collected on reel machine.There is no particular limitation for baking temperature, Can take the circumstances into consideration to carry out suitable selection.
One embodiment of air lay head box is shown in Fig. 7.Rotate cylinder and can include that cleaning brush and fiber are discongested Device.Cleaning brush can clean the fiber in hole so that fiber can deposit to not block mobile network from rotating cylinder.Hole Size has no particular limits, and can have any scope being suitable for wishing the size of fiber to be deposited.
In one embodiment, the formation of described at least two layer and make one or two layers in described layer with Binding agent contact can be carried out in any order.Such as, fiber can contact with binding agent before each layer is formed.At another In embodiment, fiber can contact with binding agent while each layer is formed.In another embodiment, fiber can be Each layer contacts with binding agent after being formed.
In another embodiment, in can be before each layer is formed, while the formation of each layer or after the formation of each layer Any combination, make fiber contact with binding agent.
Can be by each laminated together and form described base material.Certainly, as long as there being at least two layer, the layer being pressed together Number have no particular limits.In one embodiment, cause the number of plies of described multi-ply paper base material by with the layer in web Number is identical.Adopt in this way, at least in part, and optionally with the selection of binding agent and apply combination, can control every Individual layer and/or the performance of described multi-ply paper base material.
Described layer, web, base material or their any combination can be further processed.Such as, a reality Execute in mode, one or more layers, web, base material or their any combination can be heated or contact adhesive etc., or it Combination in any.
The form of binding agent has no particular limits.It can be solid, powder, liquid, molten mass or combinations thereof Form.The limiting examples of binding agent includes starch, thermoplastic polymer, thermoplastic elastomer polymer, blending polymerization Thing, bi-component polymeric, solution, dispersion, emulsion or latex etc., or their combination in any.In one embodiment, institute Stating binding agent can be thermally sensitive polymeric or fiber, when it is heated to suitable temperature, such as, is close to or higher than its fusing temperature During the temperature spent, it can be attached on the fiber in a layer or multiple layer.In one embodiment, described binding agent is permissible It is pressure-sensitive polymer or fiber, when it is exposed to suitable pressure, is incorporated on the fiber in a layer or multiple layer.Also Can use electromagnetic susceptibility binding agent, such as, it is tied under ultraviolet, microwave, infrared ray, electron beam or similar electromagnetic radiation Close.
Described method can suitably include one or more step following: to appointing in described layer, web or base material Meaning kind carries out moistening, sprays or apply water etc..
In one embodiment, described method includes one or more step following: sand milling or denude described paper substrate One or two sides of material or outer surface, described paper base material is bored a hole, described paper base material is carried out cut, to institute State paper base material to slot, or their any combination.
In one embodiment, described method includes: make panel surfaces contact with described paper base material or wallboard tape.
It is possible if desired to cork and/or hardwood fiber are carried out physically and/or chemically modified.The example of physical modification Include but not limited to electromagnetism and mechanical means.The example of Electrical modification includes but not limited to relate to making fiber and electromagnetic-energy example light And/or those methods of galvanic contact.The example of mechanically modifying includes but not limited to relate to making still life (inanimate Object) with those methods of fiber contacts.The example of described still life includes the object with sharp-pointed and/or blunt edge.This A little methods also include such as refining, cut, mediate, smash to pieces and the mode such as puncture.
The example of chemical modification includes but not limited to those methods that can find in following United States Patent (USP): United States Patent (USP) Numbers 6,592,717,6,582,557,6,579,415,6,579,414,6,506,282,6,471,824,6,361,651,6, 146,494、H1,704、5,698,688、5,698,074、5,667,637、5,662,773、5,531,728、5,443,899、5, 360,420、5,266,250、5,209,953、5,160,789、5,049,235、4,986,882、4,496,427、4,431, 481,4,174,417,4,166,894,4,075,136 and 4,022,965, entire contents is incorporated to by the way of reference at this Herein.
In one embodiment, all or part of cork fibrous can be optionally from having 300 to 750 add and take The softwood species of big standard freedom (Canadian Standard Freeness, CSF).In one embodiment, described Fiber is from the softwood species of the CSF with 400 to 550.These scopes include any and all numerical value therebetween and subrange, Such as, 300,310,320,330,340,350,360,370,380,390,400,410,420,430,440,450,460,470, 480、490、500、510、520、530、540、550、560、570、580、590、600、610、620、630、640、650、660、 670,680,690,700,710,720,730,740 and 750CSF.Canadian Standard Freeness is by TAPPI T-227 standard Test is measured.
In one embodiment, all or part of hardwood fiber can be optionally from having 300 to 750 add and take The hardwood species of big standard freedom (CSF).In one embodiment, described fiber is from the CSF with 400 to 550 Hardwood species.These scopes include 300,310,320,330,340,350,360,370,380,390,400,410,420,430, 440、450、460、470、480、490、500、510、520、530、540、550、560、570、580、590、600、610、620、 630,640,650,660,670,680,690,700,710,720,730,740 and 750CSF, and therebetween any and all Scope and subrange.
In one embodiment, one or more layers of described multi-ply paper base material comprise one or more interpolations further Agent, such as binding agent, sizing agent, latex, wet strength agent, drying strengthening agent, wax, wax emulsion, microsphere, expended microsphere, polyvinyl alcohol, poly-second Vinyl acetate, retention agent, filler, antimicrobial, mould inhibitor, thickening agent, preservative, clay, dehydrated calcium sulfate, sulfur Acid calcium semihydrate, calcium carbonate, winnofil, silicon dioxide, silicon dioxide colloid, Ludox, water, brightening agent, coloring agent, Pigment, optical brightener (optical brightening agent), wetting agent, bleach, cation wet strength agent, alkalescence are executed Colloid, anionic accelerator, other additive or combinations thereof.If it does, the amount of additive the most particularly limits System.In one embodiment, weight meter based on described layer, the amount that described additive can exist is about 0.005 weight % extremely About 50 weight %.Weight meter based on described layer, this scope includes the most all of value and subrange, including about 0.005, 0.006、0.007、0.008、0.009、0.01、0.02、0.03、0.04、0.05、0.06、0.07、0.08、0.09、0.1、0.2、 0.3,0.4,0.5,0.6,0.7,0.8,0.9,1,2,3,4,5,6,7,8,9,10,15,20,25,30,35,40,45 and 50 weight Amount %, or their combination in any.
In one embodiment, described multi-ply paper base material do not include cationic wet strength agent, alkaline sizing agent or the moon from One or more in subtype accelerator.
The example of optional filler includes but not limited to: clay, calcium carbonate, calcium sulfate hemihydrate and dehydrated calcium sulfate, Chalk, GCC and PCC etc..
The example of optional binding agent includes but not limited to: polyvinyl alcohol, Amres (Kymene type), Bayer Parez, Polychloride emulsion, modified starch such as hetastarch, starch, polyacrylamide, modified polyacrylamide, polyhydric alcohol, polynary Alcohol Carbonyl addition thing, Biformyl/polyolcondensation product, polyamide, epoxychloropropane, Biformyl (glyoxal), Biformyl are urinated Element, Biformyl (ethanedial), aliphatic polymeric isocyanate, isocyanates, 1,6-hexamethylene diisocyanate, two Carbimide .s Ester, polyisocyanate, polyester, polyester resin, polyvinyl acetate, polyacrylate, polyacrylate resin, acrylate and Methacrylate.Other optional materials include but not limited to Silicon stone, such as colloid and/or colloidal sol.The example of Silicon stone include but It is not limited to sodium silicate and/or borosilicate.
Compositions optionally comprises one or more pigment.The limiting examples of pigment include calcium carbonate, Kaolin, Calcined clay, aluminum trihydrate, titanium dioxide, Talcum, plastic pigments, grinding calcium carbonate, winnofil, amorphous titanium dioxide Silicon, modified calcium carbonate, modified calcined clay, aluminium silicate, zeolite, aluminium oxide, silica sol, colloidal silica aluminum slurry, Modified calcium carbonate, modified grinding calcium carbonate, modified winnofil or their mixture.
As used throughout, scope uses with shorthand way, to describe each and each numerical value in the range of this, including Whole subranges.
For the relevant portion relevant with subject of the present invention and all of the embodiments of the present invention, cited herein Every other document and their cited documents are expressly incorporated herein by reference mode.
In view of above-mentioned teaching, the various modifications and variations to the present invention are all possible.It is understood, therefore, that In scope of the following claims, can by from specifically described herein different other in the way of implement the present invention.

Claims (50)

1., for a multi-ply paper base material for wallboard tape, described multi-ply paper base material includes:
Strength layer, this strength layer has the internal combustion more than 10 milli foot-pound/square inches using TAPPI method 541 to record Power；
Leafing layer, this leafing layer have use TAPPI method 541 record 10 milli foot-pound/square inches to 180 milli feet- Pound/square inch internal bond strength；And
Binding agent, described strength layer is bonded in described leafing layer, described binding agent and described leafing layer extremely by this binding agent The internal bond strength of a few internal bond strength having less than described strength layer；
Wherein, described multi-layer substrate has:
80gsm's to 200gsm is quantitative；
Use 20 ft lbfs/inch in width of recording of TAPPI method 494 to the MD tensile strength of 300 ft lbfs/inch in width；With
Use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the CD tensile strength of 300 ft lbfs/inch in width.
Multi-ply paper base material for wallboard tape the most according to claim 1, wherein, the wall side of described multi-ply paper base material There is the taber abrasion resistance of 50mg to 200mg.
Multi-ply paper base material for wallboard tape the most according to claim 1 and 2, wherein, described multi-ply paper base material Working side has the taber abrasion resistance of 50mg to 200mg.
Multi-ply paper base material for wallboard tape the most according to any one of claim 1 to 3, described multi-ply paper base material There is 5 ft lbfs/inch in width wet tensile (strength) to 60 ft lbfs/inch in width further.
Multi-ply paper base material for wallboard tape the most according to any one of claim 1 to 4, described multi-ply paper base material There is the thickness of 0.005 inch to 0.011 inch further.
Multi-ply paper base material for wallboard tape the most according to any one of claim 1 to 5, wherein, described intensity At least one layer in layer and described leafing layer comprises cellulose fibre.
Multi-ply paper base material for wallboard tape the most according to any one of claim 1 to 5, wherein, described intensity At least one layer in layer and described leafing layer comprises fiber, and the major part in described fiber is cellulose fibre.
Multi-ply paper base material for wallboard tape the most according to any one of claim 1 to 5, wherein, described intensity At least one layer in layer and described leafing layer comprises fiber, and the major part in described fiber is hardwood fiber.
Multi-ply paper base material for wallboard tape the most according to any one of claim 1 to 5, wherein, described intensity At least one layer in layer and described leafing layer comprises fiber, and the major part in described fiber is cork fibrous.
Multi-ply paper base material for wallboard tape the most according to any one of claim 1 to 9, wherein, described leafing The internal bond strength of layer is that the 10 milli foot-pound/square inches using TAPPI method 541 to record are to 180 milli foot-pound/square English Very little.
The 11. multi-ply paper base materials for wallboard tape according to any one of claim 1 to 9, wherein, described bonding The internal bond strength of oxidant layer be use TAPPI method 541 record 10 milli foot-pound/square inches to 180 milli foot-pounds/square Inch.
12. according to the multi-ply paper base material for wallboard tape according to any one of claim 1 to 12, wherein, described by force Degree layer internal bond strength be use TAPPI method 541 record more than 180 milli foot-pound/square inches.
The 13. multi-ply paper base materials for wallboard tape according to any one of claim 1 to 10, wherein, described viscous The internal bond strength of mixture layer be use TAPPI method 541 record more than 180 milli foot-pound/square inches.
14. according to the multi-ply paper base material for wallboard tape according to any one of claim 1 to 13, described multilamellar paper substrate Material has the width of 15 inches to 100 inches when leaving the reel machine of paper machine.
15. according to the multi-ply paper base material for wallboard tape according to any one of claim 1 to 14, described multilamellar paper substrate Material has the cutting width of 1.5 inches to 3.25 inches.
16. according to the multi-ply paper base material for wallboard tape according to any one of claim 1 to 15, wherein, described MD Tensile strength is equal to described CD tensile strength.
17. according to the multi-ply paper base material for wallboard tape according to any one of claim 1 to 16, described multilamellar paper substrate Material is prepared by air laid processes.
18. according to the multi-ply paper base material for wallboard tape according to any one of claim 1 to 17, wherein, described viscous Mixture selects free starch, through the starch of steaming and decocting and the group of binder starch composition.
19. 1 kinds of wallboard tapes, described wallboard tape includes the multi-ply paper base material described in claim 1.
20. 1 kinds for manufacturing according to the multi-ply paper base material for wallboard tape according to any one of claim 1 to 18 The method of multi-ply paper base material, described method includes:
Use air lay paper machine, form strength layer and leafing layer, make at least one of which in described strength layer and leafing layer with Binding agent contacts, and makes described strength layer and described leafing layer contacting one another to form two-layer web；With
Force together described two-layer web to prepare described multi-ply paper base material.
21. 1 kinds of methods manufacturing multi-ply paper base material, described method includes:
Use air lay paper machine, form at least two-layer, make in described layer one layer or two-layer contacts with binding agent, and Make described layer contacting one another to form two-layer web；With
Forcing together described two-layer web to prepare described paper base material, described multi-ply paper base material includes:
It is bonded at least two layer each other by binding agent；
80gsm's to 200gsm is quantitative；
Use TAPPI method 541 record 10 milli foot-pound/square inches to 180 milli foot-pound/square inches internal combustion Power；
Use 20 ft lbfs/inch in width of recording of TAPPI method 494 to the MD tensile strength of 300 ft lbfs/inch in width；With
Use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the CD tensile strength of 300 ft lbfs/inch in width.
22. methods according to claim 21, farther include have at least the one of the taber abrasion resistance of 50mg to 200mg Individual side.
23. methods according to claim 21, farther include the wall side with the taber abrasion resistance of 50mg to 200mg.
24. methods according to claim 21, farther include the work with the taber abrasion resistance of 50mg to 200mg Side.
25. methods according to claim 21, have wet to 60 ft lbfs/inch in width of 5 ft lbfs/inch in width further Tensile strength.
26. methods according to claim 21, have the thickness of 0.005 inch to 0.011 inch further.
27. methods according to claim 21, it includes 2 layers to 11 layers.
28. methods according to claim 21, it includes 3 layers to 7 layers.
29. methods according to claim 21, it includes 3 layers to 5 layers.
30. methods according to claim 21, it includes at most 3 layers.
31. methods according to claim 21, wherein, at least one layer comprises cellulose fibre.
32. methods according to claim 21, wherein, at least one layer comprises fiber, and the major part in described fiber is Cellulose fibre.
33. methods according to claim 21, wherein, at least one layer comprises fiber, the biggest portion in described fiber It is divided into hardwood fiber.
34. methods according to claim 21, wherein, at least one layer comprises fiber, the biggest portion in described fiber It is divided into cork fibrous.
35. methods according to claim 21, wherein, single layer have use TAPPI method 541 record 10 milli feet- Pound/square inch to 180 milli foot-pound/square inches internal bond strength.
36. methods according to claim 21, wherein, described binding agent has the 10 milli English using TAPPI method 541 to record Chi-pound/square inch to 180 milli foot-pound/square inches internal bond strength.
37. methods according to claim 21, wherein, described binding agent and/or single layer have employing TAPPI method 541 Record 10 milli foot-pound/square inches to 180 milli foot-pound/square inches internal bond strength.
38. methods according to claim 21, wherein, described binding agent has and uses being more than of recording of TAPPI method 541 The internal bond strength of 180 milli foot-pound/square inches.
39. methods according to claim 21, wherein, one or more layer have use TAPPI method 541 record big Internal bond strength in 180 milli foot-pound/square inches.
40. methods according to claim 21, wherein, described binding agent and/or single layer have employing TAPPI method 541 The internal bond strength more than 180 milli foot-pound/square inches recorded.
41. methods according to claim 21, described method also includes a layer or two-layer, the described material heating in described layer Width, described base material or their combination in any.
42. methods according to claim 21, described method farther includes to make a layer in described layer or two-layer, described One or more layers in web or described layer contacts binding agent with described both webs.
43. methods according to claim 42, wherein, described contact includes in solid form, powder type, liquid shape Formula, melted form or combinations thereof apply described binding agent.
44. methods according to claim 21, wherein, include in solid form with contacting of described binding agent, powder shape Formula, liquid form, melted form or combinations thereof apply described binding agent.
45. methods according to claim 21, described method farther include to described paper base material one or more outside Surface carries out sand milling or abrasion.
46. methods according to claim 21, described method farther includes to make panel surfaces contact with described paper base material.
47. methods according to claim 46, described method also includes a layer or two-layer, the described material heating in described layer Width, described base material or their combination in any.
48. 1 kinds of methods installed or repair wallboard, described method includes making panel surfaces contact with multi-layer substrate, described many Layer paper base material includes:
It is bonded at least two layer each other by binding agent；
80gsm's to 200gsm is quantitative；
Use TAPPI method 541 record 10 milli foot-pound/square inches to 180 milli foot-pound/square inches internal combustion Power；
Use 20 ft lbfs/inch in width of recording of TAPPI method 494 to the MD tensile strength of 300 ft lbfs/inch in width；With
Use 10 ft lbfs/inch in width of recording of TAPPI method 494 to the CD tensile strength of 300 ft lbfs/inch in width.
49. methods according to claim 48, described method also includes peeling away described paper base material, only one of which layer Leafing.
50. methods according to claim 48, described method also includes peeling away described base material, wherein said adhesive phase From.
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